blood circulation
Medical and everyday term for the flow of blood through the body.
Exercise improves blood circulation.
A massage that promotes blood circulation.
poor blood circulation; circulatory insufficiency
poor circulation; lack of blood flow
hemodynamics
circulatory disturbance; blood flow impairment
Compound of 血 (blood) and 行 (going, movement). The reading けっこう is a regular on'yomi combination.